Okay, thanks yeah I think I wasn't too clear I was talking in terms of sensor inaccuracy. The Razer Viper Mini has a DPI variation of 10%, so at 400DPI you would have a max difference of +- 40DPI. However, if I increased my DPI (hypothetically) to something like 12800DPI would that mean I'd have a DPI variance of +-1280DPI or +-40DPI?